Mars had an oxygen-rich atmosphere around 4 billion years ago
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There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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The earth travels through space at 660,000 miles per hour.
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41% of the moon is not visible from earth at any time.
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The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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